Tokyo Olympics gold medalist Belinda Bencic beat Kristina Mladenovic 6-4, 6-3.
Tokyo Olympics gold medallist Belinda Bencic said Tuesday she felt "a little bit wobbly" in her first match after Covid, warming up for the Australian Open with a low-key win.
Australian Open 2022: Mystery over Novak Djokovic's participation deepens as stars arrive in Melbourne
There has been serious doubt as to whether men's world number one Djokovic would travel to Australia, having refused to confirm if he has been vaccinated against the coronavirus.
Former men's world number one Nadal's Spanish coach Carlos Moya, 45, also announced on Tuesday he had tested positive on his return from Abu Dhabi.
Daria Kasatkina beat Jil Teichmann 6-2, 6-4 and Liudmila Samsonova overpowered Olympic champion Belinda Bencic 3-6, 6-3, 6-4 to bring Russia its fifth title overall in the team competition previously known as the Fed Cup.
Switzerland are through to the Billie Jean King Cup final for only the second time - after a 23 year gap.
Missing world number one Ashleigh Barty in Prague, Australia could rely on Gavrilova, the world number 412, as they beat Belgium 2-1 in Group B.
The Tunisian won her 43rd match of the year, tying her with second-ranked Aryna Sabalenka for the most on the WTA Tour.
Beating the eighth-seeded Andreescu made Rogers 24-19 in 2021, giving her a career high for wins in a season.
Raducanu, only the fourth qualifier to reach a Grand Slam semi-final, made the Swiss 11th seed the highest-rated victim of her young career in making history on the New York hardcourts.
Raducanu, who would be the first qualifier to ever reach a Grand Slam final, made her Slam debut this year at Wimbledon and reached the fourth round.
Djokovic beat Berrettini in the quarterfinals of the French Open in June, then came back after dropping the first set to top the Italian again at the All England Club in July.
World number one Djokovic rallied past 99th-ranked Brooksby 1-6, 6-3, 6-2, 6-2 to book a quarter-final encounter with Italian sixth seed Matteo Berrettini in a rematch of July's Wimbledon final.
Reigning Wimbledon champion Barty won 11 of 14 games after dropping the first set, only for Rogers to capture five of the last six games for a shocking 6-2, 1-6, 7-6 (7/5) triumph.
Cincinnati Masters: Medvedev books semis spot with win over Carreno Busta; Barty beats Krejcikova to reach last-four
Medvedev, last week's Toronto champion, won his eighth match in a row as he prepares for a final four contest against compatriot Andrey Rublev.
Switzerland's 11th medal — and eighth in women's events — arrived Sunday morning in BMX freestyle when California-raised Nikita Ducarroz took bronze.
Tokyo Olympics 2020: Caeleb Dressel, Katie Ledecky hunt more gold as Shelly-Ann Fraser-Pryce seeks 100m treble
Katie Ledecky is the runaway favourite in the women's 800m free, winning gold at the last two Olympics and four straight world championships.
In windier, cooler and more overcast conditions than the sweltering opening two days of the competition, Osaka compiled 29 winners to Golubic's 14 and had only 11 unforced errors to her opponent's 21.
Samsonova, 22, made a mockery of her world ranking of 106 to recover from losing the first set to earn a 1-6, 6-1, 6-3 victory over Swiss fifth seed Bencic.
Samsonova, 22, will face world number 12 Belinda Bencic for the title on Sunday after her 6-4, 6-2 win over Azarenka.